Send signed email using S/MIME (SHA‑512)

In many cases it is required to use better that standard signing algorithms. With Mail.dll it is easy to specify algorithm that is used for signing. In this article we’ll show how to send S/MIME signed email using Mail.dll email component and specific signature algorithm (SHA-512).

Signature algorithm selection is done through Algorithm property of the SignatureConfiguration class. You can use CommonOids class static properties to retrieve common oids (object identifiers): Sha1, Sha256, Sha512.